FFmpeg
v210-init.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "libavutil/attributes.h"
20 #include "libavutil/cpu.h"
21 #include "libavcodec/v210dec.h"
22 
23 extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
24 extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
25 extern void ff_v210_planar_unpack_unaligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
26 
27 extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
28 extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
29 extern void ff_v210_planar_unpack_aligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
30 
32 {
33 #if HAVE_X86ASM
35 
36  if (s->aligned_input) {
38  s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3;
39 
40  if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
41  s->unpack_frame = ff_v210_planar_unpack_aligned_avx;
42 
43  if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
44  s->unpack_frame = ff_v210_planar_unpack_aligned_avx2;
45  }
46  else {
49 
50  if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
51  s->unpack_frame = ff_v210_planar_unpack_unaligned_avx;
52 
53  if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
55  }
56 #endif
57 }
u
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:264
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
AV_CPU_FLAG_SSSE3
#define AV_CPU_FLAG_SSSE3
Conroe SSSE3 functions.
Definition: cpu.h:41
ff_v210_planar_unpack_unaligned_ssse3
void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
av_cold
#define av_cold
Definition: attributes.h:90
width
#define width
s
#define s(width, name)
Definition: cbs_vp9.c:257
ff_v210_x86_init
av_cold void ff_v210_x86_init(V210DecContext *s)
Definition: v210-init.c:31
V210DecContext
Definition: v210dec.h:26
ff_v210_planar_unpack_unaligned_avx2
void ff_v210_planar_unpack_unaligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
src
#define src
Definition: vp8dsp.c:255
ff_v210_planar_unpack_aligned_avx
void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
ff_v210_planar_unpack_unaligned_avx
void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
AV_CPU_FLAG_AVX
#define AV_CPU_FLAG_AVX
AVX functions: requires OS support even if YMM registers aren't used.
Definition: cpu.h:47
cpu.h
AV_CPU_FLAG_AVX2
#define AV_CPU_FLAG_AVX2
AVX2 functions: requires OS support even if YMM registers aren't used.
Definition: cpu.h:52
attributes.h
ff_v210_planar_unpack_aligned_ssse3
void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
ff_v210_planar_unpack_aligned_avx2
void ff_v210_planar_unpack_aligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
v210dec.h